Sheet scanner



FIG. 1 is a front perspective view of a sheet scanner in accordance withour new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof.

The portions shown in broken line are for illustrative purposes only andare not claimed.

The ornamental design for a sheet scanner, as shown and described.